body {
	background-color: black;
	width: 100%;
	height: 100%;
	overflow: hidden;
}

.star {
	position: absolute;
	width: 0;
	height: 0;
	opacity: 0.2;
	border: 2px solid transparent;
	border-bottom: 4px solid #fff;
	animation: flash 2s infinite linear;
}

.star::before {
	content: "";
	position: absolute;
	left: -2px;
	top: 4px;
	border: 2px solid transparent;
	border-top: 4px solid #fff;
}

@keyframes flash {
	20% {
		opacity: 0.2;
	}

	40% {
		opacity: 0.5;
	}

	60% {
		opacity: 1;
	}

	80% {
		opacity: 0.5;
	}

	100% {
		opacity: 0.2;
	}
}
